What is an offset account and is it worth it?

An offset account is a transaction account linked to your home loan. The balance is offset against your loan, reducing the interest you pay. For most owner-occupiers with a healthy cash buffer, the interest savings outweigh any account fees.

How is borrowing capacity calculated?

Lenders assess your borrowing capacity based on income, living expenses, existing debts, dependants, and a buffer above the actual interest rate (assessment rate). Each lender applies its own formulas, which is why your borrowing power can vary significantly between banks.

Should I choose a fixed or variable rate home loan?

Fixed rates give you certainty over repayments for a set term but limit flexibility (e.g. extra repayments, offset features). Variable rates move with the market and offer more flexibility. Many borrowers split their loan to get a balance of both.

How long does a home loan application take in Australia?

Pre-approval typically takes 2 to 5 business days. Full approval and settlement on a purchase usually take four to six weeks from contract signing, depending on the lender, property type, and complexity of your situation.

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Strategy · October 2026 · 5 min read

Offset and Redraw Save the Same Interest. They Are Not the Same Thing

Both park your savings against the loan and both cut the interest. The difference is whose hands the money is in, what it costs, and how it behaves if you ever turn the home into an investment.

Photo: Chewy5000, CC BY-SA 3.0 via Wikimedia Commons

Put $20,000 of savings against your home loan and the bank charges you interest on a smaller balance. There are two ways to do it, and on the first phone call they sound identical.

One is an offset account. The other is a redraw facility. Both can save you exactly the same interest. The difference is whose hands your money is sitting in.

How an offset account works

An offset is an ordinary transaction account linked to your home loan. Your pay goes in, your card comes out, and the balance is subtracted from your loan before interest is calculated.

Owe $500,000 and hold $20,000 in offset, and you pay interest on $480,000. The money is still yours, still visible, and still spendable the second you need it.

How redraw works

Redraw starts with extra repayments. You pay more than the minimum, the extra sits inside the loan itself, and the balance drops for real.

If you want that money back, you ask the lender for it. That request is the redraw. Most lenders make it easy enough, through the app in a day or two. Some set minimum amounts, some charge for it, and the terms can change, because the money is the lender's until they agree to hand it back.

With offset, the money is yours and the bank can see it. With redraw, the money is the bank's and you can ask for it.

The differences that actually matter

Access is the obvious one. Offset is instant, because it is your account. Redraw is a request, and requests can be slowed down, limited, or in rare cases switched off entirely. Lenders have tightened redraw rules before without asking anyone.

Fixed rate loans are the next. Most fixed loans cap your extra repayments, and many offer no offset at all, or only a partial one. If you are weighing up fixed against variable, that belongs in the arithmetic, and we cover the rate side of it in the fixed versus variable guide.

Then there is tax, and this is the one that catches investors. Pay down an investment loan and redraw the money for something private, like a car or a holiday, and the tax office can treat that portion of the loan as private debt. The interest on it stops being deductible, and untangling it later is miserable. Money in an offset never touches the loan, so the loan stays clean. That is general information, not tax advice, and an accountant should confirm your position.

What the saving looks like

The interest saving is the same either way, which is the point people miss. $20,000 held against a $500,000 loan at 6 percent saves roughly $1,200 a year whether it sits in offset or went in as extra repayments. Illustrative figures, but the shape is right.

Australian house with a home loan offset against savings — Photo: Philip Mallis from Melbourne, CC BY-SA 2.0 via Wikimedia Commons

The real difference is the fee. Offset accounts often live inside package loans with an annual fee, or on products with a slightly higher rate. If you only ever hold $8,000 in offset, the fee can eat the saving. Run your own numbers on the offset calculator before paying for the feature.

Which one suits you

Same saving, different strings

Offset suits you ifYour pay runs through it, you want savings instantly available, you hold a decent cash buffer, or you might turn the home into an investment one day.

Redraw suits you ifYou are disciplined, you rarely need the money back, and the loan without a package fee is cheaper. It also suits people who would rather not see the money at all.

One honest note on behaviour. An offset full of money you can see is money you can spend. Some people save more with redraw precisely because the money is slightly harder to reach. Know yourself.

The short versionBoth save the same interest on the same balance. Offset keeps the money yours and instant, often for a fee. Redraw is built into the loan, usually cheaper, and getting the money back is a request. Investors should talk to an accountant before using redraw.

Is your savings buffer sitting in a transaction account earning nothing while your loan charges full interest? Book a call and we will work out which structure fits, or try the extra repayments calculator to see what the spare cash is worth.

The information in this article is general in nature and does not take into account your personal circumstances. Speak with a qualified mortgage broker before making lending decisions.

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